html,
body {
  margin: 0 auto;
  background-color: white;
  font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

ul,
li {
  margin: 0;
  padding: 0;
  list-style-type: none;
}

#example
{
  margin-top:50px;
}